package demo;
//Day03
import java.util.Scanner;

public class Day02002 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        System.out.print("请输入成绩：");
        int score=scanner.nextInt();

        if(score>100&&score<0)
            System.out.println("输入不符合规范！");
        else if (score>=90&&score<=100) {
            System.out.println("优秀！");
        } else if (score >= 80 && score < 90) {
            System.out.println("好");
        } else if (score >= 70 && score < 80) {
            System.out.println("良");
        } else if (score >= 60 && score < 70) {
            System.out.println("及格");
        }else {
            System.out.println("不及格");
        }
    }
}
